English  |
388-0807
CAT
388-0807
This Flange Cover is a critical component designed for the transmission systems or travel mechanisms of heavy-duty construction machinery, including excavators and loaders. Acting as a protective shield for the mechanical structure, it is primarily mounted on the sides or ends of gearboxes, transfer cases, or final drives. Its dual function is to seal the internal compartment, preventing gear oil leakage, while protecting the precision gear mesh area from the intrusion of external dust, mud, water, and metallic debris, ensuring long-term stable operation in harsh environments such as mining and construction sites.
Robust Carbon Steel Casting Structure:
The main body is manufactured from high-quality carbon steel using a casting process. This method ensures a dense internal metal structure and excellent rigidity, enabling the cover to withstand the massive impact forces and vibrations generated during heavy-load operations and sharp turns. It prevents deformation or cracking, maintaining sealing integrity over time.
Yellow Anti-Corrosion Coating:
The surface is finished with yellow anti-corrosion spray paint, offering strong adhesion, weather resistance, and corrosion protection. Beyond its high-visibility safety color, this coating effectively resists moisture, mud, acid rain, and chemical corrosion, preventing rust and extending the service life of the component.
Precision Machined Sealing Surface:
The mounting surface that mates with the gearbox is precision machined to achieve high flatness. This ensures a perfect fit against the housing, allowing for zero-leakage sealing when paired with a high-quality gasket or sealant, eliminating the risk of gear oil seepage.
Standard Fit – Direct Replacement:
The mounting hole patterns, dowel pin locations, and port dimensions conform to industry-standard specifications. This allows for a direct replacement without requiring on-site drilling, grinding, or modifications, greatly simplifying the repair process and significantly reducing equipment downtime.
Parameter | Specification |
|---|---|
Product Type | Flange Cover / Flange Plate |
Body Material | High-Quality Carbon Steel |
Manufacturing Process | Casting + Precision Machining |
Surface Treatment | Yellow Anti-Corrosion Paint |
Primary Function | Sealing Protection, Dust/Water Proofing, Leak Prevention |
Applicable Location | Gearboxes, Transfer Cases, Final Drives |
Transmission Systems: Side covers for excavator/loader gearboxes and transfer case end covers.
Travel Mechanisms: End caps for final drives and idler bracket covers.
Hydraulic Systems: Pump group connection flange covers and reservoir side plates.
Industrial Equipment: Inspection covers for gearboxes and motor end shields.
We strictly adhere to manufacturing standards for structural components. Every flange cover undergoes dimensional verification and visual inspection before dispatch to ensure freedom from casting porosity and machining burrs, providing customers with robust and reliable sealing solutions.
Installation Recommendation:
Thoroughly clean the mating surfaces of the housing and cover to remove all residual gasket material. It is recommended to use a new gasket or liquid gasket sealant. Tighten the bolts evenly in a diagonal sequence to ensure uniform stress distribution and prevent cover distortion or sealing failure.
